Лутков, В. С., and А. В. Чуенко. “On the Problem of Geochemical and Metallogenic Province Formation”. Visnyk of V. N. Karazin Kharkiv National University, Series "Geology. Geography. Ecology", Vol. 39, no. 1084, Dec. 2013, pp. 83-94, https://periodicals.karazin.ua/geoeco/article/view/7562.